Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Pyroxene Group from
Crugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA


Locality type:Mine
Classification
Species:'Pyroxene Group' (not an IMA approved species)
Formula:ADSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyroxene Group data
Locality Data:Click here to view Crugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:80901
Long-form Identifier:1:3:80901:2
GUID (UUID V4):0
Nearest other occurrences of Pyroxene Group
3.7km (2.3 miles) ⓘVerplanck Point, Verplanck, Cortlandt Township, Westchester County, New York, USA
8.7km (5.4 miles) ⓘAnthony's Nose, Cortlandt Township, Westchester County, New York, USA
11.3km (7.0 miles) ⓘOssining (Sing Sing), Westchester County, New York, USA
14.3km (8.9 miles) ⓘCroft Mine, Oscawana Corners, Town of Putnam Valley, Putnam County, New York, USA
14.5km (9.0 miles) ⓘForest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
14.9km (9.3 miles) ⓘBarnes Mine, Harriman State Park, Rockland County, New York, USA
15.1km (9.4 miles) ⓘBradley Mine, Town of Tuxedo, Orange County, New York, USA
16.5km (10.2 miles) ⓘCentral Valley, Town of Woodbury, Orange County, New York, USA
18.3km (11.4 miles) ⓘTwin Lakes, Woodbury, Orange County, New York, USA
18.9km (11.8 miles) ⓘPhilipstown, Cold Spring, Town of Philipstown, Putnam County, New York, USA
References
Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1). New York Mineralogical Clubp.70
 
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